Stocks slide; Dow sheds 318 points

Stocks finished the week with deep losses as investors fled equities and emerging-markets currencies, while company earnings offered them little respite. The Dow dropped 318.24 points, or 2%, to 15,879.11, its worst one-day point drop since June 20. The blue-chip index shed 3.5% over the week, recording its worst weekly decline since May 2012.